MP8798AS datasheet(12/20 Pages) EXAR

Part #	MP8798AS

Description	CMOS Very Low Power, 1 MSPS 10-Bit Analog-to-Digital Converter with 4-Channel Mux

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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12 / 20 page

MP8798

Rev. 3.00

Figure 15. Example of a Reference Voltage Source

0.1

µF

MP5010

+5 V

–

5 k

100k

Figure 16.

5 V Analog Input

VREF(+)

VIN

–

AIN1

VREF(–)

5 V

+5 V

DB0

AGND

AVDD

For R = 5k use Beckman Instruments #694-3-R10k resistor array or equivalent.

NOTE: High R values affect the input BW of ADC due to the (R

∗ CIN of ADC) time constant. Therefore, for different

applications the R value needs to be selected as a tradeoff between AIN settling time and power dissipation.

1 of 4

AIN4

Figure 17.

10 V Analog Input

VREF(+)

VIN

–

AIN1

VREF(–)

10 V

+5 V

DB0

For R = 5k use Beckman Instruments #694-3-R10k resistor array or equivalent.

NOTE: High R values affect the input BW of ADC due to the (R

∗ CIN of ADC) time constant. Therefore, for different

applications the R value needs to be selected as a tradeoff between AIN settling time and power dissipation.

1 of 4

AIN4

AGND

AVDD

MP8798AS Datasheet(PDF) 12 Page - Exar Corporation

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